CN106152954B - Measuring device - Google Patents
Measuring device Download PDFInfo
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- CN106152954B CN106152954B CN201610808193.2A CN201610808193A CN106152954B CN 106152954 B CN106152954 B CN 106152954B CN 201610808193 A CN201610808193 A CN 201610808193A CN 106152954 B CN106152954 B CN 106152954B
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- camera
- hole
- optical filtering
- fulcrum bearing
- adjustment mechanism
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- 230000007246 mechanism Effects 0.000 claims abstract description 107
- 230000003287 optical effect Effects 0.000 claims description 45
- 238000001914 filtration Methods 0.000 claims description 39
- 238000001816 cooling Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 abstract description 33
- 238000010586 diagram Methods 0.000 description 7
- 238000005286 illumination Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 210000002683 foot Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention relates to a kind of measuring devices, it include: image acquisition mechanism, loading adjustment mechanism, lighting mechanism and bearing plate, it is characterized in that, the loading adjustment mechanism is between described image collecting mechanism and the lighting mechanism, described image collecting mechanism includes fulcrum bearing, camera lens, camera and camera radiator；Camera radiator is used according to the present invention, and camera is worked continuously for a long time, extends the service life of camera, ensure that measurement accuracy；It can guarantee using the adjustment mechanism of fine-tuning shaft-like workpiece position to be measured to the heart, ensure that the measurement accuracy of high quality；According to the present invention, so that measuring device has measurement accuracy height, long service life and at low cost.
Description
Technical field
The present invention relates to a kind of measuring devices, more particularly to the device of measurement shaft-like workpiece outer diameter.
Background technique
Chinese patent 201120531421.9 discloses a kind of lower illumination image measurer of shaft-like workpiece outer diameter, the measurement
Instrument uses lower illumination radiographic measurement, i.e. in the downside of measured workpiece, workpiece is mounted in fixed shaft-like workpiece mounting base light source,
Then it is shot by microscope and camera after illumination, the data taken pass through computer disposal, to realize
Measurement to shaft-like workpiece outer diameter.This system structure is to carry out measure batch for single shaft-like workpiece, since its is micro-
Mirror and camera can generate heat at work, cause its cannot prolonged successional work, while its for large volume or
Complicated shaft-like workpiece, this measuring instrument have no idea to measure.
Chinese patent 201420164702.9 discloses a kind of outer diameter, taper, inclination angle Comprehensive Experiment measuring device, should
Measuring device is for imparting knowledge to students, and its system structure is directed to single measured piece, and measurement range is small, simultaneously as CCD camera is in work
Heat can be generated when making, measured piece is fixed again relative to system in adjusting seat, so that system can not be for a long time
Work, needs intermittent work.Adjusting seat is unable to precision positioning simultaneously, then can exist and look for visual field inconvenience, workpiece positioning not
Convenient problem increases the difficulty of measurement.
Due to measurement when camera work can generate heat, when heat cannot timely dissipation when, just make related component by
Thermal deformation.Measurement accuracy decline is eventually led to, and has to shut down heat dissipation.
Summary of the invention
The purpose of the present invention is to provide a kind of measuring devices, being capable of the continuous precise measurement of long-time.
For achieving the above object, a kind of measuring device is provided according to the present invention, comprising: image acquisition mechanism, loading
Adjustment mechanism, lighting mechanism and bearing plate, which is characterized in that the loading adjustment mechanism be located at described image collecting mechanism and
Between the lighting mechanism, described image collecting mechanism includes fulcrum bearing, camera lens, camera and camera radiator.
According to an aspect of the present invention, the loading adjustment mechanism includes adjustment mechanism pinboard, adjustment mechanism and folder
Hold mechanism；
The clamping device, which is removably secured, to be mounted on the adjustment mechanism.
According to an aspect of the present invention, the adjustment mechanism includes X to adjusting component and Y-direction adjusts component, the folder
Holding mechanism can be moved on X and/or Y-direction from X to adjusting component and/or Y-direction adjusting Component driver.
According to an aspect of the present invention, the clamping device includes boss, adjusts positioning pin and supporting station；
The boss is grouped as by rectangle part and triangular portion, is set respectively in the apex angle two sides of the gable
There is perforation groove, is relatively provided with closed pockets with vertex angle；
The upper surface of the supporting station includes left-hand face part and right lateral surface part, the left-hand face part and institute
It is coplanar to state right lateral surface part, the boss is described between the left-hand face part and the right lateral surface part
The upper surface of boss is higher than the left-hand face and the right lateral surface of the supporting station；
The adjustment positioning pin is two, and the interval respectively between the perforation groove and the closed pockets is opposite
Ground is fixed on the upper surface of the supporting station.
According to an aspect of the present invention, the fulcrum bearing top is equipped with camera aperture and opens with what the camera aperture penetrated through
Mouthful, the part that the fulcrum bearing is located at the opening side is equipped with through-hole, and the fulcrum bearing is located at the opening other side
Part is equipped with threaded hole corresponding with through-hole；
The camera lens is removably located in the camera aperture, and the camera is fixedly connected with the camera lens, the camera
Radiator is fixed on camera.
According to an aspect of the present invention, the camera radiator is in hollow cylinder shape, and including being equipped with along its axis
The rectangular through-hole of perforation is equipped with radiating groove and the semi-circular portion parallel with its axis, the semicircle perpendicular to axis is alternate
Shape part is equipped with the stepped hole of perforation.
According to an aspect of the present invention, between the radiating groove between be divided into 2.8~3.2 millimeters, the stepped hole is
Three.
According to an aspect of the present invention, the lighting mechanism includes light source fulcrum bearing, optical filtering part, and lighting device is described
The upside of light source fulcrum bearing has seating through hole, and the optical filtering part is correspondingly fixed on fulcrum bearing with seating through hole and adopts with image
The end of collecting mechanism opposite side, the lighting device are located in seating through hole；
The light source fulcrum bearing is equipped with long opening, and the light source fulcrum bearing and the length are open in an opposite side section
Equipped at least one location hole, the light source fulcrum bearing is equipped with and location hole phase with the long opposite other side part that is open
Corresponding tapped blind hole).
According to an aspect of the present invention, the optical filtering part includes optical filtering supporting disk and optical filtering；The optical filtering supporting disk
It is upper that there is supporting disk through-hole；
Border circular areas among the optical filtering supporting disk is light hole；
The optical filtering supporting disk also has the round boss for installing optical filtering.
According to an aspect of the present invention, the optical filtering part tool there are two the optical filtering supporting disk, fix by the optical filtering
It is mounted among two optical filtering supporting disks on corresponding two round boss.
Since the present invention is arranged radiator on camera, effectively in time dissipation camera work when the heat that generates,
Temperature when camera work is reduced, so that camera is steadily worked in the operating temperature range of permission for a long time, therefore can be with
The object or workpiece of required measurement are measured incessantly for a long time.
The inside of radiator of the invention is equipped with rectangular through-hole, so as to cooperate well with camera, is in close contact,
The heat generated when camera work is passed to well.Meanwhile the shape of radiator according to the present invention is circle, is conducive to heat
The homogeneous radiation of amount dissipates.
A cooling fin is arranged in distance alternate on radiator according to the present invention, therefore in limited length, fills
Divide ground setting heat dissipation element, to the maximum extent heat rejection and removal.
And since measuring device of the present invention uses heat dissipation element, even so that the device works long hours, it can also be with
Stable operating temperature is maintained, measurement accuracy is improved.
Measuring device according to the present invention uses adjustment mechanism, the mechanism can independent translation in a different direction,
It does not influence mutually, mobile stability and stationarity are good, and minimum movement scale can facilitate up to 0.01mm, mobile distance from quarter
It is read on scale.And the movement of all directions all locking mechanisms, it can be with locking positioning after adjusting in place, it is ensured that surveying
Stabilization of equipment performance when amount, it is ensured that precision.
Detailed description of the invention
It, below will be to embodiment in order to illustrate more clearly of embodiment of the present invention or technical solution in the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the self-contained structural schematic diagram of the device for measuring shaft-like workpiece outer diameter of embodiment of the present invention.
Fig. 2 is the self-contained structural schematic diagram of the device for measuring shaft-like workpiece outer diameter of embodiment of the present invention.
Fig. 3 a is the main view of the camera radiator of embodiment of the present invention.
Fig. 3 b is the stereoscopic schematic diagram of the camera radiator of embodiment of the present invention.
Fig. 3 c is the stereoscopic schematic diagram of the camera radiator of embodiment of the present invention.
Fig. 4 is the stereoscopic schematic diagram of the clamping device of embodiment of the present invention.
Fig. 5 a is the stereoscopic schematic diagram of the optical filtering supporting disk of embodiment of the present invention.
Fig. 5 b is the stereoscopic schematic diagram of the optical filtering supporting disk of embodiment of the present invention.
Specific embodiment
The description of this illustrated embodiment should be combined with corresponding attached drawing, and attached drawing should be used as the one of complete specification
Part.In the accompanying drawings, the shape of embodiment or thickness can expand, and to simplify or facilitate mark.Furthermore it is each in attached drawing
The part of structure will be to describe to be illustrated respectively, it is notable that is not shown in the figure or is not illustrated by text
Component is the form known to a person of ordinary skill in the art in technical field.
The present invention is described in detail with reference to the accompanying drawings and detailed description, embodiment cannot go to live in the household of one's in-laws on getting married one by one herein
It states, but therefore embodiments of the present invention are not defined in following implementation.
Fig. 1 and Fig. 2 schematically shows a kind of dress for being used to measure shaft-like workpiece outer diameter of embodiment according to the present invention
It sets.Device for measuring shaft-like workpiece outer diameter includes image acquisition mechanism 1, loading adjustment mechanism 2, lighting mechanism 3 and bearing
Bottom plate 4.
As shown in Figure 1, a kind of embodiment according to the present invention, image acquisition mechanism 1, loading adjustment mechanism 2, flare-aircraft
Structure 3 is removably mounted on bearing plate 4 in sequence from left to right, and image acquisition mechanism 1,2 He of loading adjustment mechanism
Axis on the length direction along bearing plate 4 of lighting mechanism 3 is with bearing plate 4 along the center on its length direction
Line is parallel and is overlapped.Due to image acquisition mechanism 1, loading adjustment mechanism 2 and lighting mechanism 3 are detachably accepted to bearing bottom
On plate 4, thus in use can for different volumes and different types of shaft-like workpiece to image acquisition mechanism 1,
The distance between loading adjustment mechanism 2 and lighting mechanism 3 are adjusted, so that meeting measuring condition, ensure that height in this way
The measurement of precision.
As shown in Figure 1, in the present embodiment, image acquisition mechanism 1 includes fulcrum bearing 101, camera lens 102, camera 103,
Camera radiator 104.Fulcrum bearing 101, which is connected through a screw thread, to be removably mounted on bearing plate 4, in the present embodiment,
The section of fulcrum bearing 101 is in inverted " t " font.It is connected using threaded connection with hook since the structure of inverted " t " font is added, so that
Image acquisition mechanism 1 can be stablized, and firm is mounted on support plinth 4, to ensure that the Image Acquisition when acquiring image
Any vibration or offset do not occur for mechanism 1, ensure that measurement accuracy.Another embodiment according to the present invention, fulcrum bearing
Four identical triangle figure hooks can be set into 101 four base angles, and four hook correspondences are mounted on bearing plate 4
In hole 401.It may make positioning of the fulcrum bearing 101 on bearing plate 4 more reliable and more stable in this way, to guarantee measurement accuracy.
As shown in Fig. 2, a kind of embodiment according to the present invention, the top of fulcrum bearing 101 has camera aperture 105, adaptation
Camera lens 102 can pass through camera aperture 105 detachable movable and being mounted in fulcrum bearing 101.A kind of reality according to the present invention
Mode is applied, in fulcrum bearing 101, also there is opening 106 along the side on the extending direction of the axis of camera aperture 105, is open
106 through camera lens mouth 105 side wall.Fulcrum bearing 101, which is located on the part of 106 sides of opening, is provided with through-hole 107, fulcrum bearing
101 are located on the part of 106 other sides of opening with threaded hole 108 corresponding with through-hole 107.In the present embodiment,
It passes through through-hole 107 using screw to be fixedly connected by opening 106 with 108 spiral of threaded hole, to realize the detachable of camera lens 102
Connection, while can also be by slack adjuster come the position of lens fine-tuning 102, so that the optical axis of camera lens 102 and support plinth 4
Axis alongst is parallel.Due to camera lens 102 be mounted in fulcrum bearing 101 detachable while fine-tuningly, so
Camera lens 102 can be replaced, it, can also be with so that different camera lenses 102 both can be used for different measured workpieces
The camera lens of aging 102 is replaced in time, ensures that the precision of measurement in this way, while improving the service life of device.
A kind of embodiment according to the present invention, camera 103 are matchingly fixed together with camera lens, camera heat dissipation
Device 104 is mounted on camera 103.
Fig. 3 a~Fig. 3 c schematically shows a kind of camera radiator 104 of embodiment according to the present invention.Such as Fig. 3 b and
Shown in 3c, in the present embodiment, whole camera radiator 104 is in a cylindrical body.As shown in Figure 3a, in the present embodiment,
The middle section of camera radiator 104 is a rectangular through-hole 104a, and rectangular through-hole 104a is through entirely in the phase of cylindrical body
Machine radiator 104, and the symmetrical center line of rectangular through-hole 104a is overlapped with the axis of cylindrical body radiator.In present embodiment
In, it further include two entity parts, respectively fin section and semicircle in camera radiator 104 other than rectangular through-hole
Part 104c.As best shown in figures 3 a and 3b, in the present embodiment, the fin section in camera radiator 104 has multiple dissipate
Backing 104b, the shape size of each cooling fin 104b are identical.It can be seen from the figure that cooling fin 104b is substantially in horseshoe-shape
The either shape of inverted U-shaped like.Each cooling fin 104b is along the axis of camera radiator 104 with mutually equidistant, vertical
Setting is distributed in the axis of 104 cylindrical body of camera radiator.Another entity part is the semi-circular portion of a semi-cylindrical
104c.In the length direction of radiator 104, each cooling fin 104b is separately fixed on semi-circular portion 104c by its both ends,
Cooling fin 104b array is consequently formed.In the present embodiment, between each cooling fin 104b between be divided into 2.8~3.2 millimeters.
As shown in Figure 3c, in the present embodiment, semi-circular portion 104c is connect with two end feets of each cooling fin 104b, and itself and camera
The axis of radiator is parallel to each other, and also there are three stepped hole 104d for tool thereon.
Screw can be used across stepped hole 104d by camera radiator in a kind of embodiment according to the present invention, when installation
104 correspondences are fixedly mounted on camera 103.In the present embodiment, stepped hole 104d is arranged to 3, as needed can also be with
Increased or is reduced.It may be provided with pinboard on camera 103 with the junction of camera radiator 104, pinboard can pass through
The mode of clamping is fixedly mounted on camera, and pinboard is equipped with threaded hole, is allowed to be fixedly connected with 104 spiral of radiator.By
In using camera radiator 104, this measuring device is worked for a long time, simultaneously because 104 pairs of phases of camera radiator
The heat spreading function of machine 103 ensure that high quality so that camera 103 will not cause measurement accuracy to reduce because thermal expansion is crossed
Measurement accuracy.And camera radiator 104 also improves the service life of camera 103, so that the service life of whole device is mentioned
It is high.
As shown in Figure 1, a kind of embodiment according to the present invention, loading adjustment mechanism 2 includes adjustment mechanism pinboard
201, adjustment mechanism 202 and clamping device 203.Adjustment mechanism pinboard 201 is connected through a screw thread the fixed peace of removably spiral
On bearing plate 4.In the present embodiment, adjustment mechanism pinboard 201 is equipped at least one positioning pin and (does not show in figure
Out), the part that the bottom of corresponding adjustment mechanism 202 is connected with adjustment mechanism pinboard 201 is provided at least one
Pin hole (not shown), adjustment mechanism pinboard 201 are fixedly connected with adjustment mechanism 202 by positioning pin and pin hole cooperation,
And the top connector portion shape of adjustment mechanism pinboard 201 and adjustment mechanism 202 matches.
Another embodiment according to the present invention, be provided on adjustment mechanism pinboard 201 at least one it is axial or
It extends transversely through in the T-slot of adjustment mechanism pinboard 201, the bottom of corresponding adjustment mechanism 202 and adjustment mechanism are transferred
The part that plate 201 is connected is provided with T-shaped boss, and adjustment mechanism pinboard 201 is convex by T-slot and T shape with adjustment mechanism 202
The cooperation of platform is fixed together, and the top connector portion shape phase of adjustment mechanism pinboard 201 and adjustment mechanism 202
Match.
The connection type of both the above embodiment was not only convenient and efficient but also reliable and stable, and can be freely disassembled, this is right
It plays a key effect in the replacement operations such as components or maintenance, to increase the service life of device, also ensures the essence of measurement
Degree.
There is X as shown in Figure 1, a kind of embodiment according to the present invention, on adjustment mechanism 202 to adjusting component 204 and Y
To adjusting component 205.It is provided in adjustment mechanism 202 and adjusts the corresponding transverse direction of component 205 to component 204 and Y-direction is adjusted with X
Guide rail is adjusted, guide rail and vertical adjustment guide rail (not shown) are adjusted axially.In the present embodiment, X to adjust component 204
It is connected with one end being connected with guide rail that Y-direction adjusts component 205 and threaded or gear is adjusted axially part, lateral adjustments
Part and vertical adjustment part.It is adjusted axially guide rail, is provided with and is adjusted axially part on lateral adjustments guide rail and vertical adjustment guide rail,
The nut or rack gear that lateral adjustments part and screw thread on vertical adjustment part or gear match.In this way, passing through each adjusting group
Part drives the engagement action of screw thread and nut or gear and rack gear, allows adjustment mechanism 202 that measured workpiece is driven to carry out
The position adjustment of three dimensions.In the present embodiment, X can adjust the transverse direction and axis of measured workpiece to component 204 is adjusted simultaneously
Position in both direction.A kind of embodiment according to the present invention, X, can to component 204 is adjusted when adjusting lateral position
Lead adjustment mechanism 202 with lateral adjustments by screw thread on lateral adjustments part or gear
Nut or rack gear engagement action on rail, so as to adjust the position of measured workpiece horizontally.And work as X to adjusting component 204
When adjusting axial position, so that it may make adjustment mechanism 202 by the screw thread that is adjusted axially on part by rotational handle or
Gear and the nut or rack gear engagement action being adjusted axially on guide rail, so as to adjust the position of measured workpiece in the axial direction.?
In present embodiment, X is provided with accurate adjusting scale to adjusting component 204 and Y-direction and adjust on component 205, in this way can be with
The location error that measured workpiece is adjusted according to scale value, have accurate scale setting can position to measured workpiece into
Row fine tuning, so that measured workpiece precise positioning.In the present embodiment, it is first carried out greatly by position of each handle to measured workpiece
The adjustment of amplitude is first coarse positioning.It is carried out by a small margin by position of each regulation handle to measured workpiece again after coarse positioning
Adjustment, i.e. precision positioning.This process is convenient and efficient, and accurate positioning, and precision is high.
It is clamping device 203 on adjustment mechanism 2 as shown in Fig. 2, a kind of embodiment according to the present invention.Clamping machine
Structure 203 includes boss 206, adjusts positioning pin 207 and supporting station 208.Clamping device 203 passes through positioning through hole 211 by screw
Removably spiral is fixedly connected with the threaded hole (not shown) on the upper surface of adjustment mechanism 2.Because of clamping device 203
It is removably attachable on the upper surface of adjustment mechanism 2, it is possible to realize and replace clamping device 203 at any time.Thus make
It obtains clamping device 203 to be easier to be adjusted according to the difference of measured workpiece, while ensure that the precision of measurement also improves dress
The service life set.
Fig. 4 schematically shows a kind of clamping device 203 of embodiment according to the present invention.As shown, in this implementation
In mode, there is perforation groove 209 with the identical adjustment positioning pin 207 of two shape sizes and one on clamping device 203
With the boss 206 of closed pockets 210.Boss 206 is made of rectangle part 206a and gable 206b.In present embodiment
In, the upper surface of supporting station 208 includes left-hand face part 208a and right lateral surface part 208b.Two adjustment positioning pins 207
It can stable, the firm positioning by measured workpiece.In the present embodiment, when tested shaft-like workpiece is loaded on clamping device 203
When, for measured axis class work mounting s on boss 206, the center location of tested shaft-like workpiece is then in two adjustment positioning pins 207
Middle position, the part for allowing for measured axis class in this way can substantially be in the center of camera lens 102, to reduce measurement
Error guarantees measurement accuracy.In the present embodiment, due to setting fluted 209 and closed pockets 210, then make measured axis
In imaging, projection and the projection of boss 206 are not bound to together class workpiece, ensure that in this way measured axis class workpiece at
It is more clear as projecting, ensure that measurement accuracy.Especially, when measured axis class workpiece height is very low, it is tested shaft-like workpiece
Projection can be clear, is easily obtained by camera lens 102.
As shown in Figure 1, a kind of embodiment according to the present invention, lighting mechanism 3 includes light source fulcrum bearing 301, optical filtering part
302, lighting device 303.Light source fulcrum bearing 301 is connected through a screw thread removably spiral and is fixedly mounted on bearing plate 4.?
In present embodiment, the section of light source fulcrum bearing 301 is in the shape of an " I ".Since the structure of I-shaped is added using threaded connection
It is connected with hook, allows lighting mechanism 3 more stable, firm is mounted on support plinth 4, while being lighting device 303
It provides and stablizes firm bearing.It is ensured that in the prolonged course of work of device in this way, lighting mechanism 3 can be kept
Do not occur to vibrate or deviate, ensure that the depth of parallelism of the steady and light of light source irradiation, to ensure that high-precision measurement.
Another embodiment according to the present invention, four base angles of light source fulcrum bearing 301 are the same as the fulcrum bearing in image acquisition mechanism 1
101 four base angles are similar to can be set into four identical triangle figure hooks, and four hooks are corresponding to be mounted on bearing bottom
In hole 401 on plate 4.It may make positioning of the light source fulcrum bearing 301 on bearing plate 4 more reliable and more stable in this way, to protect
Demonstrate,prove measurement accuracy.
As shown in Fig. 2, a kind of embodiment according to the present invention, the top of light source fulcrum bearing 301 has seating through hole
304, lighting device 303 being mounted in light source fulcrum bearing 301 across 304 detachable movable of seating through hole.According to this
A kind of embodiment of invention, in light source fulcrum bearing 301, along the side on the extending direction of the axis of seating through hole 304
Also there is long opening 305, side wall of the long opening 305 through seating through hole 304.Fulcrum bearing 301 is located at 305 sides of long opening
At least one location hole 306 is provided on part, fulcrum bearing 301, which is located on the part of 305 other sides of long opening, to have and determine
The corresponding tapped blind hole 307 in position hole 306.In the present embodiment, location hole 306 is passed through using screw and passes through long opening 305
It is fixedly connected with 307 spiral of tapped blind hole, to realize being detachably connected for lighting device 303, while can also be by elastic
Screw makes the lighting device 303 move or finely tune the position of lighting device 303 in light source fulcrum bearing 301, so that illumination dress
The axis alongst for setting 303 optical axis and support plinth 4 is parallel, the optical axis coincidence with camera lens 102.Since illumination fills
Set 303 when in light source fulcrum bearing 301 detachable while fine-tuning position installation, so can to lighting device 303 into
Row replacement, allows to using different lighting devices 303 for different measured workpieces, while can timely replace aging
Lighting device 303, both ensure that working long hours for device also ensured the precision of measurement in this way, while also improving device
Service life.And because the optical axis of lighting device 303 is parallel with the optical axis of camera lens 102 and is overlapped, so that measured workpiece is adopted in image
Imaging clearly in collecting mechanism 1 is naturally, to realize high-precision measurement.
As shown in Fig. 2, a kind of embodiment according to the present invention, optical filtering part 302 includes that optical filtering 309 and two are identical
Optical filtering supporting disk 308.
Fig. 5 a and Fig. 5 b schematically show a kind of optical filtering supporting disk 308 of embodiment according to the present invention.As shown,
In the present embodiment, there is supporting disk through-hole 310, the intermediate border circular areas of optical filtering supporting disk 308 is on optical filtering supporting disk 308
Light hole 311 has the round boss 312 for optical filtering 309 to be fixedly mounted on the side opposite with supporting disk through-hole 310.
In the present embodiment, optical filtering 309 is fixedly mounted on the round boss 312 of two optical filtering supporting disks 308, is then used
Screw passes through supporting disk through-hole 310 and the spiral corresponding with seating through hole 304 of optical filtering part 302 is fixedly mounted on light source fulcrum bearing
On the outer surface of 301 side opposite with image acquisition mechanism 1.
As shown in Figure 1, a kind of embodiment according to the present invention, bearing plate 4 includes hole 401,402 He of positioning spiro pit
U-shaped groove 403.In the present embodiment, multiple groups can be set on bearing plate 4 corresponding to image acquisition mechanism 1 and flare-aircraft
The hole 401 of structure 3 can adjust image acquisition mechanism 1 and lighting mechanism 3 according to the tested shaft-like workpiece of different volumes in this way
Position can guarantee that the tested shaft-like workpiece of different volumes has enough detected spaces, it is also ensured that measured axis class in this way
Workpiece is in the field depth of image acquisition mechanism 1, ensure that measurement accuracy.In the present embodiment, under bearing plate 4
There are two the U-shaped grooves 403 of cabling for surface setting, the more complicated electric wires of hair can flock together, so that the whole letter of device
It is clean orderly, so that it is guaranteed that device will not generate vibration and displacement because route is mixed and disorderly in prolonged measurement process, guarantee
The measurement of high quality.In the present embodiment, using screw, by positioning spiro pit 402, removably spiral is fixedly mounted on
On horizontal checkout platform, allows entire measuring device to be in level, stablize, and measured on vibrationless platform, protect
The stability of entire test device is demonstrate,proved, to realize high-precision measurement.Another embodiment according to the present invention, branch
Holding also has two groups of holes 401 corresponding with the hook on image acquisition mechanism 1 and lighting mechanism 3 and tapped blind hole on bottom plate 4,
So that image acquisition mechanism 1 and lighting mechanism 3 can also grip in securely hole 401 while being connected through a screw thread by hook
On, the positioning for allowing for image acquisition mechanism 1 and lighting mechanism 3 in this way is more steady, vibration and offset will not be generated because of external force,
It ensure that device can work for a long time, while also ensuring high-acruracy survey.
A kind of embodiment according to the present invention, when measuring shaft-like workpiece outer diameter using above-mentioned apparatus, first by axis class to be measured
Workpiece is fixedly mounted on the clamping device 203 of loading adjustment mechanism 2, adjusts image according to the size of shaft-like workpiece volume to be measured
Collecting mechanism 1 and lighting mechanism 3 arrive position appropriate, then adjust the adjustment of component 205 to adjusting component 204 and Y-direction by X and carry
Object adjustment mechanism 2, so that the central axis and image acquisition mechanism of the shaft-like workpiece to be measured being on clamping device 203 thereon
1 optical axis coincidence, the lighting device 303 then turned in lighting mechanism 3 provide source of parallel light for shaft-like workpiece to be measured, utilize figure
As in collecting mechanism 1 camera 103 and camera lens 102 tested shaft-like workpiece is shot, the image data taken is passed through
Tolerance is transmitted on computer monitor to analyze for tester after calculating and debug, until test passes.
Above content is that a specific embodiment of the invention enumerates, for the equipment and structure of wherein not detailed description,
Should be understood as that the existing common apparatus in this field and universal method is taken to be practiced.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of measuring device, comprising: image acquisition mechanism (1), loading adjustment mechanism (2), lighting mechanism (3) and bearing plate
(4), which is characterized in that the loading adjustment mechanism (2) be located at described image collecting mechanism (1) and the lighting mechanism (3) it
Between, described image collecting mechanism (1) includes fulcrum bearing (101), camera lens (102), camera (103) and camera radiator (104)；
The loading adjustment mechanism (2) includes clamping device (203), and the clamping device (203) includes boss (206), described
Boss (206) is made of rectangle part (206a) and gable (206b), in the apex angle two sides of the gable point
It She You not penetrate through groove (209), be relatively provided with closed pockets (210) with vertex angle.
2. measuring device according to claim 1, which is characterized in that the loading adjustment mechanism (2) further includes adjustment machine
Structure pinboard (201) and adjustment mechanism (202)；
The clamping device (203), which is removably secured, to be mounted on the adjustment mechanism (202).
3. measuring device according to claim 1, which is characterized in that the adjustment mechanism (202) includes X to adjusting component
(204) and Y-direction adjusts component (205), and the clamping device (203) can adjust component from X to adjusting component (204) and/or Y-direction
(205) driving is moved on X and/or Y-direction.
4. measuring device according to claim 1, which is characterized in that the clamping device (203) further includes adjustment positioning
Sell (207) and supporting station (208)；
The upper surface of the supporting station (208) includes left-hand face part (208a) and right lateral surface part (208b), the left side
Side surface portion (208a) and the right lateral surface part (208b) are coplanar, and the boss (206) is located at the left-hand face
Partially between (208a) and the right lateral surface part (208b), the upper surface of the boss (206) is higher than the supporting station
(208) the left-hand face part (208a) and the right lateral surface part (208b)；
The adjustment positioning pin (207) is two, and respectively with the perforation groove (209) and the closed pockets (210) it
Between interval be relatively fixed on the upper surface of the supporting station (208).
5. measuring device according to claim 1, which is characterized in that fulcrum bearing (101) top is equipped with camera aperture
(105) and the opening (106) with the camera aperture (105) perforation, the fulcrum bearing (101) are located at described opening (106) side
Part be equipped with through-hole (107), the part that the fulcrum bearing (101) is located at described opening (106) other side is equipped with and logical
The corresponding threaded hole (108) in hole (107)；
The camera lens (102) is removably located in the camera aperture (105), the camera (103) and the fixed company of the camera lens
It connects, the camera radiator (104) is fixed on camera (103).
6. measuring device according to claim 1, which is characterized in that the camera radiator (104) is in hollow cylinder
Shape, and the rectangular through-hole (104a) including being equipped with perforation along its axis, along the axis of camera radiator (104) with equal
Away from, perpendicular to camera radiator (104) cylindrical body axis distribution setting cooling fin (104b) and it is parallel with its axis partly
Circular portion (104c), the semi-circular portion (104c) are equipped with the stepped hole (104d) of perforation.
7. measuring device according to claim 6, which is characterized in that be divided into 2.8 between the cooling fin (104b)
~3.2 millimeters, the stepped hole (104d) is three.
8. measuring device according to one of claims 1 to 6, which is characterized in that the lighting mechanism (3) includes light source branch
It holds seat (301), optical filtering part (302), lighting device (303), the upside of the light source fulcrum bearing (301) has seating through hole
(304), the optical filtering part (302) is correspondingly fixed on light source fulcrum bearing (301) and Image Acquisition machine with seating through hole (304)
The end of structure (1) opposite side, the lighting device (303) are located in seating through hole (304)；
The light source fulcrum bearing (301) is equipped with long opening (305), and the light source fulcrum bearing (301) and the length are open (305)
An opposite side section is equipped at least one location hole (306), the light source fulcrum bearing (301) and the long opening (305)
Opposite other side part is equipped with tapped blind hole (307) corresponding with location hole (306).
9. measuring device according to claim 8, which is characterized in that the optical filtering part (302) includes optical filtering supporting disk
(308) and optical filtering (309)；There are supporting disk through-hole (310) on the optical filtering supporting disk (308)；
The intermediate border circular areas of the optical filtering supporting disk (308) is light hole (311)；
The optical filtering supporting disk (308) also has the round boss (312) for installing optical filtering (309).
10. measuring device according to claim 9, which is characterized in that there are two the optical filterings for optical filtering part (302) tool
Supporting disk (308), the optical filtering (309) are fixedly mounted on intermediate corresponding two institutes of two optical filtering supporting disks (308)
It states on round boss (312).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808193.2A CN106152954B (en) | 2016-09-05 | 2016-09-05 | Measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808193.2A CN106152954B (en) | 2016-09-05 | 2016-09-05 | Measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106152954A CN106152954A (en) | 2016-11-23 |
| CN106152954B true CN106152954B (en) | 2019-07-26 |
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ID=57341277
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610808193.2A Active CN106152954B (en) | 2016-09-05 | 2016-09-05 | Measuring device |
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| Country | Link |
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| CN (1) | CN106152954B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113194215B (en) * | 2020-01-10 | 2022-12-06 | 杭州海康威视数字技术股份有限公司 | Lens assembly |
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| JP2010271047A (en) * | 2009-05-19 | 2010-12-02 | Pmc Service:Kk | Apparatus for measuring shaft having optical type and touch probe type measuring mechanisms and shaft supporting mechanism, and method for measuring specifications and accuracy of shaft by the apparatus |
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| CN101141566A (en) * | 2006-09-05 | 2008-03-12 | 索尼株式会社 | Camera shake correction mechanism and image capture apparatus |
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| Publication number | Publication date |
|---|---|
| CN106152954A (en) | 2016-11-23 |
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